The salt hyperaccumulating plant Sesuvium portulacastrum is a pioneer plant species used for desalination and phytoremediation. Abiotic constraints such as salinity and drought are tolerated by the plant. It can be used to remediate and restore salt-contaminated soils polluted by industrial effluents because it develops in extreme salinity. The textile industry has the greatest effect on the environment in terms of primary water use and waste water discharge among the major water-demanding industries. Textile effluent contains a number of organic chemicals with high salinity, colour, and biodegradability.
Salinity has a detrimental effect on plant growth and has an impact on
ecosystem biological stability. The capacity of Sesuvium portulacastrum
collected from Pitchavaram in Chidambaram District of Tamil Nadu, India for the
remediation of dye and textile polluted areas in Andipalayam, Mangalam, and
Palayakottai villages of Tirupur District of Tamil Nadu was studied up to 70
days after planting in Andipalayam, Mangalam, and Palayakottai villages of
Tirupur District of Tamil Nadu (DAP). The soil analysis showed that the initial
EC of the soil was 13.04 dSm-1, which was reduced to 7.37 dSm-1 30 days after
planting (DAP) and 5.34 dSm-1 30 days after planting (DAP) (60DAP). In 5000
mg/kg of Na enriched soils, plant shoot and root lengths were increased by 74
percent, and biomass was increased by 94 percent. The electrical conductivity
and sodium content of Sesuvium-grown soil enriched with various concentrations
of Na both decreased. In only 90 days, 77.8% of the sodium in the soil was
depleted. Environmentally, the plant's ability to live under various abiotic
stress conditions such as salinity, drought, and heavy metal accumulation has
been evaluated, making Sesuvium a useful species as a heavy metal contamination
indicator and for predicting soil salinity.
Author (s) Details
Jayashree Ramaswamy
Department of Environmental Sciences, Tamil Nadu Agricultural University,
Coimbatore-641 003, India.
Kalaiselvi Periasamy
Department of Environmental Sciences, Tamil Nadu Agricultural University,
Coimbatore-641 003, India
Bhagyasree Venugopal
Department of Environmental Sciences, Tamil Nadu Agricultural University,
Coimbatore-641 003, India.
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